Audi Q7 Diesel, a 5,500-Pound Fuel Miser

The Audi Q7 3.0 TDI is an SUV to consider if your needs call for a three-row SUV and you want the best possible fuel economy and range for that kind of vehicle. Drive gently and this 5,500-pound Audi will reward you with almost 30 mpg. The EPA rates it at 17 mpg city, 25 mpg highway, 20 mpg combined. I got 27 mpg in a long weekend of driving, mostly highway miles. With its massive 26.4 gallon